'Mountain' in the Bible

Every valley shall be filled, And every mountain and hill shall be brought low; And the crooked shall become straight, And the rough ways smooth;

And it came to pass in these days, that he went out into the mountain to pray; and he continued all night in prayer to God.

Now there was there a herd of many swine feeding on the mountain: and they entreated him that he would give them leave to enter into them. And he gave them leave.

And it came to pass about eight days after these sayings, that he took with him Peter and John and James, and went up into the mountain to pray.

And it came to pass, on the next day, when they were come down from the mountain, a great multitude met him.